Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rg4 win in 1 half-moves
2 Kf1 draw
3 Kg2 draw
4 Rh8 draw
5 Kh1 loss in 12 half-moves
6 Kh2 loss in 12 half-moves
7 Rf8 loss in 12 half-moves
8 Re8 loss in 4 half-moves
9 Kf2 loss in 2 half-moves
10 Rb8 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Rg2 loss in 2 half-moves
14 Rg3 loss in 2 half-moves
15 Rg5 loss in 2 half-moves
16 Rg6 loss in 2 half-moves
17 Rg7 loss in 2 half-moves
18 Ra8 loss in 1 half-moves